19618038

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 80

約数和(自身を含む): 48874320

約数和(自身を除く): 29256282

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 101, 109, 162, 198, 202, 218, 297, 303, 327, 594, 606, 654, 891, 909, 981, 1111, 1199, 1782, 1818, 1962, 2222, 2398, 2727, 2943, 3333, 3597, 5454, 5886, 6666, 7194, 8181, 8829, 9999, 10791, 11009, 16362, 17658, 19998, 21582, 22018, 29997, 32373, 33027, 59994, 64746, 66054, 89991, 97119, 99081, 121099, 179982, 194238, 198162, 242198, 297243, 363297, 594486, 726594, 891729, 1089891, 1783458, 2179782, 3269673, 6539346, 9809019, 19618038]

約数ペア:

[(1, 19618038), (2, 9809019), (3, 6539346), (6, 3269673), (9, 2179782), (11, 1783458), (18, 1089891), (22, 891729), (27, 726594), (33, 594486), (54, 363297), (66, 297243), (81, 242198), (99, 198162), (101, 194238), (109, 179982), (162, 121099), (198, 99081), (202, 97119), (218, 89991), (297, 66054), (303, 64746), (327, 59994), (594, 33027), (606, 32373), (654, 29997), (891, 22018), (909, 21582), (981, 19998), (1111, 17658), (1199, 16362), (1782, 11009), (1818, 10791), (1962, 9999), (2222, 8829), (2398, 8181), (2727, 7194), (2943, 6666), (3333, 5886), (3597, 5454)]